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58 lines
1.9 KiB
58 lines
1.9 KiB
/**
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* Marlin 3D Printer Firmware
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* Copyright (c) 2019 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
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*
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* Based on Sprinter and grbl.
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* Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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/**
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* Marlin RGB LED general support
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*/
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#include "../../inc/MarlinConfig.h"
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#if ENABLED(TEMP_STAT_LEDS)
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#include "tempstat.h"
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#include "../../module/temperature.h"
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void handle_status_leds() {
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static int8_t old_red = -1; // Invalid value to force LED initialization
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static millis_t next_status_led_update_ms = 0;
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if (ELAPSED(millis(), next_status_led_update_ms)) {
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next_status_led_update_ms += 500; // Update every 0.5s
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float max_temp = 0.0;
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#if HAS_HEATED_BED
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max_temp = _MAX(thermalManager.degTargetBed(), thermalManager.degBed());
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#endif
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HOTEND_LOOP()
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max_temp = _MAX(max_temp, thermalManager.degHotend(e), thermalManager.degTargetHotend(e));
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const int8_t new_red = (max_temp > 55.0) ? HIGH : (max_temp < 54.0 || old_red < 0) ? LOW : old_red;
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if (new_red != old_red) {
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old_red = new_red;
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#if PIN_EXISTS(STAT_LED_RED)
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WRITE(STAT_LED_RED_PIN, new_red);
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#endif
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#if PIN_EXISTS(STAT_LED_BLUE)
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WRITE(STAT_LED_BLUE_PIN, !new_red);
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#endif
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}
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}
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}
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#endif // TEMP_STAT_LEDS
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